At a Minimum, How Many Questions Should You Write to Ascertain

question 2

Multiple Choice

At a minimum, how many questions should you write to ascertain the ethnic and racial backgrounds of a respondent?

• A) one
• B) two
• C) three
• D) four

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Definitions:

60 Hertz

A frequency of 60 cycles per second, commonly used as the standard frequency of AC electrical power in several countries, including the United States.

Single-Phase Powerlines

Electrical power supply lines that deliver alternating current with a single waveform, commonly used in homes and small businesses.

Triac Light Dimmer

A type of switch used to control the brightness of a light, by altering the timing of a triac to regulate the amount of power reaching the light.

Telecommunication Cables

Cables used for transmitting information via electrical signals or light pulses over distances.